CN202849093U - Device for preparing rare earth compound micro powder - Google Patents
Device for preparing rare earth compound micro powder Download PDFInfo
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- CN202849093U CN202849093U CN 201220500777 CN201220500777U CN202849093U CN 202849093 U CN202849093 U CN 202849093U CN 201220500777 CN201220500777 CN 201220500777 CN 201220500777 U CN201220500777 U CN 201220500777U CN 202849093 U CN202849093 U CN 202849093U
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- static mixing
- mixing reactor
- storage tank
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- rare earth
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The utility model discloses a device for preparing rare earth compound micro powder. The device comprises a material liquid storage tank, a precipitator storage tank, a material liquid pump, a precipitator pump, a static mixing reactor, a uniform crystallizing tank with a stirring paddle and a subsequent treatment device, wherein the static mixing reactor is provided with two material inlets, namely a material inlet A and a material inlet B; the material liquid storage tank, the material liquid pump and the material inlet A of the static mixing reactor are sequentially connected with one another; the precipitator storage tank, the precipitator pump and the material inlet B of the static mixing reactor are sequentially connected with one another; a material outlet of the static mixing reactor is connected with the uniform crystallizing tank; and the uniform crystallizing tank is connected with the subsequent treatment device. A static reaction device is applied to a direct and quick nucleation process, so that a crystal nucleus can be quickly separated from an original reaction system after instantly growing and then enters the uniform crystallizing tank with the stirring paddle for growth; and therefore, growth of subsequent crystal nucleuses is not influenced, and the nucleation process and the crystal nucleus growth process can be effectively separated.
Description
Technical field
The utility model relates to a kind of device for preparing rare earth, is specially a kind of device for preparing the rare earth compound micro mist.
Background technology
The formation of ultrafine powder particle comprises two processes, i.e. nucleation process and particle growth process.Expect that it separately is gordian technique that uniform powder body material makes these two processes.And in the synthetic field of rare earth compound, because chemical precipitation method has the advantages that technique is simple, can accurately control chemical constitution, and be widely adopted, and extend to rare earth oxide, preparation field that polishing powder from rare earth, rare-earth luminescent material, rare earth form sediment the rare earth materials such as thing, rare earth catalyst material altogether.The synthesizer of at present precipitator method employing mainly is the mechanical stirring reactor.But stirred autoclave can not make the nucleation process of powder particle and process of growth well separate as unique equipment of precipitin reaction, and the homogeneity of product that therefore obtains is poor, the indexs such as yield rate is low, granularity, specific surface are wide in range, and product stability is bad.
Concerning the preparation powder body material, the nucleation process of particle and crystallization process are separated, preparing uniform superfine powdery material becomes everybody goal in research.The device that when the preparation powder body material these two processes is separated does not at present also occur.
The utility model content
The technical problem that the utility model solves is to provide a kind of device for preparing the rare earth compound micro mist, to solve the problem that proposes in the above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of device for preparing the rare earth compound micro mist comprises feed liquid storage tank, precipitation agent storage tank, feed pump, precipitation agent pump, static mixing reactor, with even crystallization groove and the aftertreatment device of stirring rake; Described static mixing reactor has two opening for feeds, be respectively opening for feed A and opening for feed B, the opening for feed A of described feed liquid storage tank, feed pump, static mixing reactor connects successively, and the opening for feed B of described precipitation agent storage tank, precipitation agent pump, static mixing reactor connects successively; The discharge port of described static mixing reactor connects even crystallization groove, and described even crystallization groove connects aftertreatment device; Described feed pump and precipitation agent pump all are equipped with flow control system; Described feed liquid storage tank, precipitation agent storage tank, static mixing reactor and even crystallization groove all are equipped with heating or attemperator and temperature controlling system, and temperature is controlled at 18-100 ℃.
The static mixing reactor that described static mixing reactor selects feed liquid to carry with the piston flow pipe method therein.
Described aftertreatment device comprises filtration unit, washing device, drying installation and calciner.
Compared with prior art, the beneficial effects of the utility model are: the utility model with the static reaction application of installation in direct fast nucleation process, can guarantee that nucleus is after moment generates, can hightail original reaction system, the even crystallization groove that enters the band stirring carries out nuclei growth, thereby can not disturb the generation of back nucleus, can effectively nucleation and nuclei growth process be separated.The utility model is used for the precipitation of the complex chemical compound of carbonated rare earth, rare-earth hydroxide, rare earth fluorine, rare earth oxalate and rare-earth phosphorate and rare earth and other metals and synthesizes.Be configured the principal feature of this cover synthesizer by the even crystallization groove with static mixer and band stirring:
1, the median particle of product mainly concentrates on submicron to the interval territory of micron, and particle size distribution is narrow, and particle size uniformity is good.
2, the crucial synthesising part of this equipment does not have moving parts, easy to maintenance.
3, equipment capacity is high, the flow velocity that depends on feed liquid and the caliber of production capacity.
4, the rare earth compound that utilizes device of the present utility model and preparation technology to prepare has uniform particles, narrow particle size distribution, and crystallization degree is good, and good stability is reunited few.
5, technique is also fairly simple, easily realizes industrialization.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1 feed liquid storage tank, 2 precipitation agent storage tanks, 3 feed pumps, 4 precipitation agent pumps, 5 static mixing reactors, 6 even crystallization grooves, 7 aftertreatment device.
Embodiment
In order to make realization technique means of the present utility model, creation characteristic, to reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of device for preparing the rare earth compound micro mist comprises feed liquid storage tank 1, precipitation agent storage tank 2, feed pump 3, precipitation agent pump 4, static mixing reactor 5, with even crystallization groove 6 and the aftertreatment device 7 of stirring rake; Described static mixing reactor 5 has two opening for feeds, be respectively opening for feed A and opening for feed B, can guarantee that rare earth feed liquid and precipitation agent enter respectively static mixing reactor 5, the opening for feed A of described feed liquid storage tank 1, feed pump 3, static mixing reactor 5 connects successively, and the opening for feed B of described precipitation agent storage tank 2, precipitation agent pump 4, static mixing reactor 5 connects successively; The discharge port of described static mixing reactor 5 connects even crystallization groove 6, and described even crystallization groove 6 connects aftertreatment device 7; Described feed pump 3 and precipitation agent pump 4 all are equipped with flow control system; Described feed liquid storage tank 1, precipitation agent storage tank 2, static mixing reactor 5 and even crystallization groove 6 all are equipped with heating or attemperator and temperature controlling system, and temperature is controlled at 18-100 ℃.
The static mixing reactor (this reactor market is on sale, and the available trade mark is the static mixing reactor of SK type) that described static mixing reactor 5 selects feed liquid to carry with the piston flow pipe method therein.
Described aftertreatment device comprises filtration unit, washing device, drying installation and calciner.
During use, the rare earth feed liquid for preparing and precipitation agent are stored in respectively separately in the hopper, and to its heat tracing; Pump into simultaneously in the static mixing reactor by the flow velocity of determining, two stock material liquid fully mix in the flow process in reactor at a certain temperature, form the slurry with nucleus; Slurry enters even crystallization groove insulation ageing, obtains uniform rare earth compound presoma; The rare earth compound presoma after filtration, the median particle diameter of washing, the rare earth compound micro mist that dry, roasting obtains even particle size distribution is adjustable between 0.3 μ m-l0 μ m, and size-grade distribution is: (D
90-D
10)/D
50＜2 rare earth compound.
Above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. device for preparing the rare earth compound micro mist comprises feed liquid storage tank, precipitation agent storage tank, feed pump, precipitation agent pump, static mixing reactor, with even crystallization groove and the aftertreatment device of stirring rake; It is characterized in that: described static mixing reactor has two opening for feeds, be respectively opening for feed A and opening for feed B, the opening for feed A of described feed liquid storage tank, feed pump, static mixing reactor connects successively, and the opening for feed B of described precipitation agent storage tank, precipitation agent pump, static mixing reactor connects successively; The discharge port of described static mixing reactor connects even crystallization groove, and described even crystallization groove connects aftertreatment device; Described feed pump and precipitation agent pump all are equipped with flow control system; Described feed liquid storage tank, precipitation agent storage tank, static mixing reactor and even crystallization groove all are equipped with heating or attemperator and temperature controlling system, and temperature is controlled at 18-100 ℃.
2. a kind of device for preparing the rare earth compound micro mist according to claim 1 is characterized in that: the static mixing reactor that described static mixing reactor selects feed liquid to carry with the piston flow pipe method therein.
3. a kind of device for preparing the rare earth compound micro mist according to claim 1, it is characterized in that: described aftertreatment device comprises filtration unit, washing device, drying installation and calciner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500777 CN202849093U (en) | 2012-09-27 | 2012-09-27 | Device for preparing rare earth compound micro powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500777 CN202849093U (en) | 2012-09-27 | 2012-09-27 | Device for preparing rare earth compound micro powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202849093U true CN202849093U (en) | 2013-04-03 |
Family
ID=47980313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220500777 Expired - Fee Related CN202849093U (en) | 2012-09-27 | 2012-09-27 | Device for preparing rare earth compound micro powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202849093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570054A (en) * | 2013-11-05 | 2014-02-12 | 江西稀有金属钨业控股集团有限公司 | Method and system for preparing ultra-low-radioactivity rare earth oxide |
-
2012
- 2012-09-27 CN CN 201220500777 patent/CN202849093U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570054A (en) * | 2013-11-05 | 2014-02-12 | 江西稀有金属钨业控股集团有限公司 | Method and system for preparing ultra-low-radioactivity rare earth oxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20150927 |
|
| EXPY | Termination of patent right or utility model |